| <!DOCTYPE html> |
| <title>IDBCursor.advance()</title> |
| <link rel="author" href="mailto:odinho@opera.com" title="Odin Hørthe Omdal"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="support.js"></script> |
| |
| <script> |
| |
| function upgrade_func(t, db, tx) { |
| var objStore = db.createObjectStore("test"); |
| objStore.createIndex("index", ""); |
| |
| objStore.add("cupcake", 5); |
| objStore.add("pancake", 3); // Yes, it is intended |
| objStore.add("pie", 1); |
| objStore.add("pie", 4); |
| objStore.add("taco", 2); |
| } |
| |
| indexeddb_test( |
| upgrade_func, |
| function(t, db) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index").openCursor(); |
| |
| rq.onsuccess = t.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 3, "count"); |
| t.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "cupcake"); |
| assert_equals(cursor.primaryKey, 5); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 1); |
| break; |
| |
| case 2: |
| assert_equals(cursor.value, "taco"); |
| assert_equals(cursor.primaryKey, 2); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(2); |
| }); |
| rq.onerror = t.unreached_func("unexpected error") |
| }, |
| document.title + " - advances" |
| ); |
| |
| indexeddb_test( |
| upgrade_func, |
| function(t, db) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index").openCursor(null, "prev"); |
| |
| rq.onsuccess = t.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 3, "count"); |
| t.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "taco"); |
| assert_equals(cursor.primaryKey, 2); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 1); |
| break; |
| |
| case 2: |
| assert_equals(cursor.value, "cupcake"); |
| assert_equals(cursor.primaryKey, 5); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(2); |
| }); |
| rq.onerror = t.unreached_func("unexpected error") |
| }, |
| document.title + " - advances backwards" |
| ); |
| |
| indexeddb_test( |
| upgrade_func, |
| function(t, db) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor(); |
| |
| rq.onsuccess = t.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 1, "count"); |
| t.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "cupcake"); |
| assert_equals(cursor.primaryKey, 5); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(100000); |
| }); |
| rq.onerror = t.unreached_func("unexpected error") |
| }, |
| document.title + " - skip far forward" |
| ); |
| |
| indexeddb_test( |
| upgrade_func, |
| function(t, db) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor(IDBKeyRange.lowerBound("cupcake", true)); |
| |
| rq.onsuccess = t.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 2, "count"); |
| t.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "pancake"); |
| assert_equals(cursor.primaryKey, 3); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 4); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(2); |
| }); |
| rq.onerror = t.unreached_func("unexpected error") |
| }, |
| document.title + " - within range" |
| ); |
| |
| indexeddb_test( |
| upgrade_func, |
| function(t, db) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor("pancake"); |
| |
| rq.onsuccess = t.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 1, "count"); |
| t.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "pancake"); |
| assert_equals(cursor.primaryKey, 3); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(1); |
| }); |
| rq.onerror = t.unreached_func("unexpected error") |
| }, |
| document.title + " - within single key range" |
| ); |
| |
| indexeddb_test( |
| upgrade_func, |
| function(t, db) { |
| var count = 0; |
| var rq = db.transaction("test").objectStore("test").index("index") |
| .openCursor("pie"); |
| |
| rq.onsuccess = t.step_func(function(e) { |
| if (!e.target.result) { |
| assert_equals(count, 2, "count"); |
| t.done(); |
| return; |
| } |
| var cursor = e.target.result; |
| |
| switch(count) { |
| case 0: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 1); |
| break; |
| |
| case 1: |
| assert_equals(cursor.value, "pie"); |
| assert_equals(cursor.primaryKey, 4); |
| break; |
| |
| default: |
| assert_unreached("Unexpected count: " + count); |
| } |
| |
| count++; |
| cursor.advance(1); |
| }); |
| rq.onerror = t.unreached_func("unexpected error") |
| }, |
| document.title + " - within single key range, with several results" |
| ); |
| |
| </script> |
